Each week Joshua Fruhlinger contributes This is the Modem World, a column dedicated to exploring the culture of consumer technology. I think I figured out why we love to argue about technology. It came to me via the wisdom of my mom, not surprisingly. It started last Sunday, when I was at her house to mooch some lunch while helping her get photos off of her digital camera and onto a sharing site so she could, ahem, share them. She was complaining that younger generations won't have photo albums, those lovely, physical relics of days gone by that mother and